This paper uses bivariate quantile causality nonparametric test and wavelet coherence to analyze the impacts of geopolitical risks and global economic policy uncertainty on global oil market price fluctuations. Quantitative results show that the international geopolitical risk and uncertainty in...

Based on a simple model, the paper provides an explanation for illegal oil trade between Nigeria and its neighboring countries. The analysis focuses on the linkages between the level of smuggling and changes in the Government’s fiscal, monetary, and domestic pricing policies. It is shown that...